CIRCUIT BREAKER
defend the CPU · solder your defense
UPGRADES
gold earned from runs is spent here · it persists forever
BOARD PALETTES
CPU CORES
SETTINGS
levels persist between sessions · slide to 0 to mute
wipes gold, unlocks, tier extensions, board skins and best run · the walkthrough plays again · volume levels are kept
FIELD MANUAL
MISSION
Malware crawls the copper trace from the NET-IN port toward the CPU. Every breach burns integrity — bosses burn 5 — and at zero the core is lost. Clear 30 waves for victory, then push into endless mode.
CONTROLS
Everything is mouse-driven. START WAVE calls in the first wave; every wave after it arrives on its own once the board is clear, though the button still rushes the next one in early. ❚❚ pauses and ⚙ opens settings without abandoning the run. Right-click cancels placement.
BUILD & UPGRADE
Click a component card, then an empty pad to solder it in — one per pick, so re-click the card to place another. Click a placed tower to UPGRADE it (tier 1 → 3), cycle its targeting mode, or RECLAIM it for 70% of the copper back.
ECONOMY
Cu (copper) is run money, earned from kills, wave bonuses and any CHARGE PUMPs you soldered in. Au (gold) persists forever: every wave survived pays 1 (+15 on victory). It buys the eight locked components, tier 4/5 extensions on any component you already own, REV B / REV C board palettes, and CPU cores. The CONSUMABLES rack stays sealed until all 12 components are bought - after that it sells single-run stock, armed on the UPGRADES screen.
SUPPORT
Four components deal no damage at all — they buy time or make your guns better, and never kill anything themselves. CRYO CAPACITOR slows everything in range; CLOCK CRYSTAL speeds up neighbouring towers; H-BRIDGE drags malware back down the trace; CHARGE PUMP has no guns at all and just pays copper each wave you clear.
REQUISITION
Unlocked after the walkthrough, the gold ? card in the shop gambles Cu 400 on a 4th slot: one of the components you left behind, chosen at random with even odds.
THREATS
Swarm bits are fast, worms split when killed, trojans shrug off flat damage per hit (lasers, etch and the solder jet ignore armor), phantoms cloak in and out, and ransomware bosses arrive on waves 10 / 20 / 30.
CIRCUIT BREAKER
Malware is inbound on the NET-IN port. Solder your defense. Keep the CPU alive.
LOADOUT · CHOOSE 3 COMPONENTS · 3/3
right-click cancels placement
SUSPENDED
all processes halted · the board is safe while you're away
SYSTEM COMPROMISED
integrity exhausted · the core has been encrypted
Demo run complete · download the full Windows game to reboot, keep your gold and build a permanent arsenal.
ALL THREATS PURGED
30 waves neutralized · the core is safe